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/*
* Copyright (c) 2015-2020, Renesas Electronics Corporation. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef RCAR_PRIVATE_H
#define RCAR_PRIVATE_H
#include <common/bl_common.h>
#include <lib/bakery_lock.h>
#include <lib/el3_runtime/cpu_data.h>
#include <platform_def.h>
typedef volatile struct mailbox {
unsigned long value __aligned(CACHE_WRITEBACK_GRANULE);
} mailbox_t;
/*
* This structure represents the superset of information that is passed to
* BL31 e.g. while passing control to it from BL2 which is bl31_params
* and bl31_plat_params and its elements
*/
typedef struct bl2_to_bl31_params_mem {
image_info_t bl32_image_info;
image_info_t bl33_image_info;
entry_point_info_t bl33_ep_info;
entry_point_info_t bl32_ep_info;
} bl2_to_bl31_params_mem_t;
#if USE_COHERENT_MEM
#define RCAR_INSTANTIATE_LOCK DEFINE_BAKERY_LOCK(rcar_lock);
#define rcar_lock_init() bakery_lock_init(&rcar_lock)
#define rcar_lock_get() bakery_lock_get(&rcar_lock)
#define rcar_lock_release() bakery_lock_release(&rcar_lock)
#else
/*
* Constants to specify how many bakery locks this platform implements. These
* are used if the platform chooses not to use coherent memory for bakery lock
* data structures.
*/
#define RCAR_MAX_BAKERIES 2
#define RCAR_PWRC_BAKERY_ID 0
/*
* Definition of structure which holds platform specific per-cpu data. Currently
* it holds only the bakery lock information for each cpu. Constants to
* specify how many bakeries this platform implements and bakery ids are
* specified in rcar_def.h
*/
typedef struct rcar_cpu_data {
bakery_info_t pcpu_bakery_info[RCAR_MAX_BAKERIES];
} rcar_cpu_data_t;
#define RCAR_CPU_DATA_LOCK_OFFSET \
__builtin_offsetof(rcar_cpu_data_t, pcpu_bakery_info)
/*
* Helper macros for bakery lock api when using the above rcar_cpu_data_t for
* bakery lock data structures. It assumes that the bakery_info is at the
* beginning of the platform specific per-cpu data.
*/
#define rcar_lock_init(_lock_arg)
#define rcar_lock_get(_lock_arg) \
bakery_lock_get(_lock_arg, \
CPU_DATA_PLAT_PCPU_OFFSET + RCAR_CPU_DATA_LOCK_OFFSET)
#define rcar_lock_release(_lock_arg) \
bakery_lock_release(_lock_arg, \
CPU_DATA_PLAT_PCPU_OFFSET + RCAR_CPU_DATA_LOCK_OFFSET)
/*
* Ensure that the size of the RCAR specific per-cpu data structure and the size
* of the memory allocated in generic per-cpu data for the platform are the same
*/
CASSERT(sizeof(rcar_cpu_data_t) == PLAT_PCPU_DATA_SIZE,
rcar_pcpu_data_size_mismatch);
#endif
/*
* Function and variable prototypes
*/
void rcar_configure_mmu_el3(unsigned long total_base,
unsigned long total_size,
unsigned long ro_start, unsigned long ro_limit
#if USE_COHERENT_MEM
, unsigned long coh_start, unsigned long coh_limit
#endif
);
void rcar_setup_topology(void);
void rcar_cci_disable(void);
void rcar_cci_enable(void);
void rcar_cci_init(void);
void plat_invalidate_icache(void);
void plat_cci_disable(void);
void plat_cci_enable(void);
void plat_cci_init(void);
void mstpcr_write(uint32_t mstpcr, uint32_t mstpsr, uint32_t target_bit);
void cpg_write(uintptr_t regadr, uint32_t regval);
void rcar_console_boot_init(void);
void rcar_console_boot_end(void);
void rcar_console_runtime_init(void);
void rcar_console_runtime_end(void);
#endif /* RCAR_PRIVATE_H */
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